mailbox
According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), T-Online is the mailbox provider for 10 domains — 0.00% of 658,711 domains with MX records. Its strongest TLD is .de (70.0% of its domains). Detection: primary MX record (lowest preference).
10 domains in the Tranco top-1M use T-Online as their mailbox provider as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.
T-Online holds 0.00% of domains with MX records in the Tranco top-1M (snapshot of 2026-07-13). The number is recomputed every day.
The largest mailbox providers in the same category by Tranco top-1M share are: Self-Hosted, Google Workspace, Microsoft 365, Unknown / Other, Generic / unmatched (mx*.*) (as of 2026-07-13).
Self-Hosted (22.44%) · Google Workspace (21.78%) · Microsoft 365 (16.74%) · Unknown / Other (7.54%) · Generic / unmatched (mx*.*) (2.57%) · Proofpoint (1.90%) · Generic / unmatched (mail.*) (1.75%) · Yandex 360 (1.64%) · Cloudflare Email Routing (1.60%) · Mimecast (1.52%)
Showing 10 of 10 domains.